1176 



INDEX 



STA 



SUP 



492 ; safranin, 493 ; acid-fuchsin, 494 ; 



basic-fuchsin, 494 ; Lyons blue, 494 ; 



picric acid, 494 ; water-blue, 494 ; 



thionin, 494 

 Stanhope lens, 37 

 Stanhoscope, 38 

 Staphylimis, antennae of, 988 

 Star-anise, tissue of testa of, 692 ; testa 



of seeds of, 725 niNI 



Starch, tests for, 517 ; formation of, 694^ 



grains, 534, 535 ; mode of growth, 

 694; hilum of, 695; in Canna, 695; in 

 potato, 695 ; in wheat, 695 ; in rice, 

 695 



' Star-fish,' 891. See Asteroidea 

 Statospore of Prptomyxa, 728 

 Staurastrum, binary division of, 582; 

 form of cell, 585 



dejectum, 568 

 Stauroneis, 617 



' Stauros ' of Achnanthes, 616 



Steenstrup on alternation of generations, 

 877 



Stein, on affinities of Volvox, 551 note ', 

 on contractile vacuoles of Volvox, 552 

 note ; on Flagellata, 764 ; on Nocti- 

 luca, 769 note ; on Acinetina, 785 note 



Steinheil's loups, 38 ; his combination of 

 lenses, 38 ; his aplanatic loup, 249 ; his 

 loup for tank work, 268 ; his formula 

 for combination of lenses, 316 ; his 

 triple loups, 378 



Stellaria, seeds of, 724 



media, petals of, 719 



Stem of mosses, 669 ; of Sryacece, 673 ; 

 of Sphagnacece, 673 ; structure of, in 

 Phanerogams, 700; of Phanerogams, 

 development of, 709 ; treatment of, for 

 examination of their structure, 711 



Stemmata of insects, 986 ; of spiders, 

 1014 



Stentor, collecting, 527 ; contractile 

 vesicle of, 774 ; impressionable organs 

 of, 775 ; conjugation of, 7S2 



Stephanoceros, collecting, 527; in con- 

 finement, 528 



Stephanolithis spinescens, 847 



nodosa, 847 



Stephanosphcera pluvialis, amoeboid 



phase of, 557 note 

 Stephenson, on Pleurosigma angulatum, 



70 ; on ' intercostal points,' 73 



his suggestion on homogeneous im- 

 mersion, 28 



on Coscinodiscus, 609 

 Stephenson' s stereoscopic binocular, 100; 



its erecting arrangement, 101, 102 ; as 



a dissecting microscope, 248, 456 ; his 



tank microscope, 267 

 Stereocaulon ramulosus, 650 

 Stereoscope, 91 ; Brewster's modification 



of, 91 

 Stereoscopic binocular, Wenham's, 98 ; 



for study of opaque objects, 103-105 



eye-piece, Tolles's, 101 ; Abbe's, 102 



vision, 90-97 

 Sterigmata of Puccinia, 637 



Sterile cells of Volvox, 555 

 Stichopus Kefersteinii, 895 

 Stick-net for marine work, 529 

 Stickleback, parasite of, 966 ; circulation 



in tail of, 1057 

 Stigmata of insects, 995, 996 

 ' Stinging hairs ' of nettle, 714 

 Stings of insects, 1002, 1003 

 Stipe of diatoms, 588 ; of Lidnophontf 



604 ; of Gomphonema, 616 

 Stolon of Foraminifera, 796 ; of Eozo&n, 



839 ; of Laguncula, 904 ; of ascidians, 



914 



Stomach, follicles of, 1047 

 Stomates, 715 



of Marchantia, 666 

 Stomopneustes variolaris, spines of, 888 

 Stone-cavities in crystals, 1073 

 Stone-mite, eggs of, 1009 



Stones of fruit, preparing sections of, 

 699 



of stone fruit, constitution of, 693 

 Stone-wort, 576 



Stony corals, resembled by polyzoaries, 

 904 



Stop, introduction of, 37; in the eye- 

 piece, 42 ; use of, 812, 316 



' Straight extinction,' 1079 



Strawberry, parenchyme of fruit, 688 



Streptocaulus pulcherrimus, 871 



Striated muscle, 1048 ; size of fibres in 

 different groups, 1049 



Striatella unipunctata, 598 



Striatellece, characters of, 607 



' Strobila' of Cyanea, 875 



Stromatopora, doubtful character of, 

 842 



Stromatoporoids, 817 note 



Strophomenidce , perforations in shells of, 

 927 



Stylodyctya gracilis, 851 



Suberous layer of bark, 708 



Sub-nacreous layer in molluscan shells, 

 923, 924 



Sub-stage, 184-191, 262; Nelson's fine 

 adjustment to, 185; Powell and Lea- 

 land's, 186; Karop's fine adjustment 

 to, 187; Watson's, 187; Baker's, 188; 

 centring nose-piece used as, 230 



' Sub-stage condenser,' Nelson on, 72 

 note] compound, 134 



illumination, 298-316 



simplest form of, 313 

 Succulent plants, stomates in, 716 

 Sucker on legs of Sarcoptidce, 1010 

 Suckers on foot of Dytiscus, 1001 ; of 



Curculionidte, 1002 

 Suctoria (Protozoa), 783-785 



(Crustacea), 965, 966 



' Sugar-louse,' 977. See Lepisma 

 Sulphuric acid, as a test, 517 

 ' Sun-animalcule,' 737 

 ' Sundew,' glands of, 714 

 Sunk-cells, 449 

 Super-amplification, 33 

 Super- stage, see attachable mechanical 

 stage, 180 



